NY Gov. Paterson won't run for a full term

Update: Gov. Paterson did announce Fri afternoon that he will not see election this fall.

(CNN) - Embattled New York Gov. David Paterson is expected to announce later Friday that he won't seek a full term in office, but will remain as governor for the rest of the year, a Democratic Party source tells CNN.

Paterson is expected to go before cameras later Friday in New York City.